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WO2007013589A1 - Procédé de blocage d’eau sur un fil de terre et fil de terre - Google Patents

Procédé de blocage d’eau sur un fil de terre et fil de terre Download PDF

Info

Publication number
WO2007013589A1
WO2007013589A1 PCT/JP2006/314985 JP2006314985W WO2007013589A1 WO 2007013589 A1 WO2007013589 A1 WO 2007013589A1 JP 2006314985 W JP2006314985 W JP 2006314985W WO 2007013589 A1 WO2007013589 A1 WO 2007013589A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
sealant
water
adhesive
grounding
Prior art date
Application number
PCT/JP2006/314985
Other languages
English (en)
Japanese (ja)
Inventor
Kennji Iwasaki
Yoshiharu Ohashi
Muneaki Kanou
Original Assignee
Yazaki Corporation
Toagosei Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yazaki Corporation, Toagosei Co., Ltd. filed Critical Yazaki Corporation
Priority to US11/997,206 priority Critical patent/US20080283268A1/en
Priority to JP2007526908A priority patent/JPWO2007013589A1/ja
Publication of WO2007013589A1 publication Critical patent/WO2007013589A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
    • H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion

Definitions

  • the present invention relates to a method for water-stopping a grounding wire and a grounding terminal suitable for application to a wire harness for a vehicle.
  • FIG. 11 is a plan view showing an example of a conventional grounding wire.
  • this type of grounding wire is connected to an appropriate grounding site (for example, the body of a vehicle) with a grounding connection terminal fixed to the terminal thereof exposed to the outside. For this reason, moisture easily enters from the end of the ground wire through the inside of the wire sheath. Therefore, if there is an electronic control unit at the terminal opposite to the ground connection terminal, moisture may reach this electronic control unit and prevent normal operation. Therefore, it is necessary to perform a water stop treatment on the grounding wire.
  • a fluid water-stopping agent 8 is dropped on the connection portion between the grounding wire 1 and the grounding connection terminal 2, and grounding is performed.
  • a method has been proposed in which the inside of the electric wire 1 is sucked and depressurized so that the water-stopping agent 8 penetrates into the grounding electric wire 1 (see, for example, Patent Document 1).
  • Patent Document 1 JP 2004-355851 A
  • An object of the present invention is to provide a method for water-stopping an earthing wire and an earthing wire that can eliminate such inconveniences. Means for solving the problem
  • the invention of the water stopping method for the grounding wire according to claim 1 supplies the bare wire conductor with a chemical reaction type sealing agent having a sharp contact angle with respect to the bare wire conductor of the grounding wire.
  • the method includes a sealing step and a curing step for curing the sealant.
  • the invention of the water stopping method for the ground wire according to claim 2 is characterized in that the sealant has a viscosity of 15 to 500 mPa ⁇ s.
  • the invention of the water stopping method for the grounding wire according to claim 3 is characterized in that, in the sealing step, the grounding wire is inclined so that the ground connection terminal is located above. To do.
  • grounding water stopping method according to claim 4 is characterized in that the sealing agent is a photo-curing type.
  • the invention of the water stopping method for the grounding electric wire according to claim 5 is characterized in that the sealing agent is an ultraviolet ray curable type.
  • the invention of the water stopping method for the grounding electric wire according to claim 6 is characterized in that the sealing agent is an adhesive having a composite curing function.
  • the sealing agent is a photocurable instantaneous adhesive, a photocurable anaerobic curable adhesive, or a photocurable thermosetting adhesive. It is characterized by that.
  • grounding wire invention according to claim 8 is characterized in that it is stopped by the grounding wire stopping method according to any one of claims 1 to 7.
  • the sealing agent naturally permeates into the core wire of the grounding wire by capillary action, the water stop operation is simple.
  • FIG. 1 is a perspective view showing a first embodiment of an earth wire according to the present invention.
  • FIG. 2 is a plan view of the grounding wire shown in FIG.
  • FIG. 3 is a front view showing a terminal crimping step in an embodiment of a water stopping method for a grounding wire according to the present invention.
  • FIG. 4 is a front view showing an electric wire placing process in one embodiment of the water stopping method for the grounding electric wire according to the present invention.
  • FIG. 5 is a front view showing a first sealing step in one embodiment of the water stopping method for the grounding wire according to the present invention.
  • FIG. 6 is a front view showing a cured state of the first sealant.
  • FIG. 7 is a front view showing a second sealing step in one embodiment of the water stopping method for the grounding electric wire according to the present invention.
  • FIG. 8 is a front view showing a cured state of the second sealant.
  • FIG. 9 is a front view showing an ultraviolet irradiation process in one embodiment of the water stopping method for the grounding wire according to the present invention.
  • FIG. 10 is a front view showing a removing step in an embodiment of the water stopping method for the grounding wire according to the present invention.
  • FIG. 11 is a plan view showing an example of a conventional grounding wire.
  • FIG. 1 is a perspective view showing a first embodiment of the grounding wire according to the present invention
  • FIG. 2 is shown in FIG.
  • FIG. 3 is a front view showing a terminal crimping process in one embodiment of the water stopping method for the grounding electric wire according to the present invention
  • FIG. FIG. 5 is a front view showing a first sealing step in one embodiment of a water stopping method for a ground wire according to the present invention
  • FIG. 6 is a first sealing agent.
  • FIG. 7 is a front view showing a second sealing step in an embodiment of the water stopping method for an earth wire according to the present invention
  • FIG. 8 is a front view showing a cured state of the second sealant.
  • FIG. 9 is a front view showing an ultraviolet irradiation process in one embodiment of the water stopping method for the grounding wire according to the present invention, and FIG. FIG.
  • the grounding electric wire 1 has a core wire lb that is a copper wire force, and an insulating coating lc is provided around the core wire lb. At the end of the core wire lb, the core wire lb is exposed to form a bare wire conductor la.
  • a ground connection terminal 2 is crimped to the end of the ground wire 1.
  • the first sealant 6 is attached to the connection between the ground wire 1 and the ground connection terminal 2 so as to cover the bare wire conductor la at the end of the ground wire 1.
  • the second sealing agent 7 is attached so as to cover the first sealing agent 6.
  • the ground connection terminal 2 is crimped to the end of the ground wire 1.
  • the grounding wire 1 with the ground connection terminal 2 crimped in this way is placed on the jig 9.
  • the jig 9 is tilted by a predetermined tilt angle ⁇ so that the ground connection terminal 2 is positioned upward.
  • This tilt angle (X is preferably in the range of 5 to 30 °. If the tilt angle (If X is less than 5 °, the effect of tilting the jig 9 is less effective. This is because if the first sealing agent 6 described later is dropped, the first sealing agent 6 tends to hang down outside the insulating coating lc of the grounding wire 1 when dropping.
  • the first sealant 6 is dropped from the nozzle 10 onto the bare wire conductor la of the grounding wire 1.
  • the first sealant 6 has an acute contact angle (for example, 19.5 °) with respect to the bare wire conductor la of the grounding wire 1 and a viscosity (viscosity) of 15 to 500 mPa's.
  • An ultraviolet curable type having a surface tension of 0.0292 N / m (29.2 dyneZcm) is used.
  • the first sealing agent 6 has a sharp contact angle with respect to the bare wire conductor la of the ground wire 1 and high wettability, so that it is naturally sucked into the core wire lb of the ground wire 1 by capillary action. .
  • the first sealing agent 6 since the first sealing agent 6 exhibits an appropriate viscosity at a viscosity of 15 to 500 mPa's, the first sealing agent 6 stops when it penetrates to some extent in the core wire lb of the grounding wire 1. Eventually, as shown in FIG. 5 and FIG. 6, the first sealing agent 6 is cured while being covered with the bare wire conductor la while penetrating into the core wire lb of the ground wire 1. In addition, since the grounding wire 1 is inclined so that the ground connection terminal 2 is positioned above, it is possible to prevent the first sealing agent 6 from dripping to the ground connection terminal 2 side. .
  • the viscosity of the present invention is a value measured at 25 ° C. using an E-type viscometer.
  • the second sealant 7 is dropped from the nozzle 10 onto the first sealant 6 as shown in FIG.
  • the second sealant 7 one having a higher viscosity than the first sealant 6 (for example, one having a viscosity of 1000 to 5000 mPa's) is used.
  • the second sealant 7 is in a state of covering the first sealant 6 as shown in FIG.
  • the second sealant 7 since the second sealant 7 has a higher viscosity than the first sealant 6, there is no inconvenience of staying on the first sealant 6 and flowing out to the periphery thereof.
  • the ultraviolet lamp 12 irradiates the first sealant 6 and the second sealant 7 with ultraviolet rays. Then, the first sealant 6 is cured by ultraviolet rays while penetrating into the core wire lb of the ground wire 1. On the other hand, the second sealant 7 is cured with ultraviolet rays in a state where the first sealant 6 is coated.
  • the first sealing agent 6 naturally penetrates into the core wire lb of the grounding wire 1 by capillary action without sucking and reducing the pressure inside the grounding wire 1, so that the water stop work Is simple.
  • the ultraviolet curable first sealing agent 6 is used in the above-described embodiment. However, as long as the contact angle of the ground wire 1 with respect to the bare wire conductor la is an acute angle, the ultraviolet curable resin is used.
  • the photocurable first sealing agent 6 may be used widely without being limited to the mold, and the chemical reaction type first sealing agent 6 may be used widely without being limited to the photocurable type.
  • an adhesive having two or more curing functions in the present invention, this is called an adhesive having a composite curing function
  • Agent 6 can also be used for Agent 6.
  • specific examples of the adhesive having a single curing function include a thermosetting adhesive (for example, an acrylic adhesive, an epoxy adhesive, an oxetane adhesive), and a moisture curable adhesive ( Examples thereof include silicone adhesives and modified silicone adhesives).
  • Specific examples of the adhesive having a composite curing function include a photocurable instantaneous adhesive, a photocurable anaerobic curable adhesive (for example, an acrylic adhesive), and a photocurable thermosetting adhesive (for example, Acrylic adhesive, epoxy adhesive, oxetane adhesive) and the like.
  • the adhesive having a composite curing function is excellent in curability, it is preferable in that the bare wire conductor la and the core wire lb of the ground wire 1 can be uniformly water-stopped in a short time.
  • a photocurable instantaneous adhesive and a photocurable anaerobic curable adhesive are preferable because they have a short curing time and are excellent in productivity.
  • high pressure mercury lamps, metal halide lamps and the like can also be cured with light.
  • Example 1 of the present invention in the case of using an ultraviolet curable first sealant
  • Conductor cross section 0. 5 mm 2 crimp the two ground wires of 1. 25 mm 2 to the ground connection terminal, the first sealing agent having a viscosity of 15 mPa 's (the ultraviolet curing) was added dropwise 25 microliters Then, 10 microliters of the second sealing agent having a viscosity of 5000 mPa's was dropped.
  • the ultraviolet irradiation condition was 10 OmW / cm 2 ⁇ 70 seconds.
  • Example 2 of the present invention when a photocurable instantaneous adhesive is used as the first sealant will be described.
  • Example 3 of the present invention in the case where a photocurable thermosetting adhesive is used as the first sealant will be described.
  • the water-stopping characteristic of 200 kPa (about 2 kgfZcm 2 ) or more was exhibited, and the water-stopping characteristic of 200 kPa was maintained even after being left at a temperature of 120 ° C. for 100 hours.
  • the suction height of the first sealant was about 5 mm for all grounding wires.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Insulated Conductors (AREA)
  • Processing Of Terminals (AREA)
  • Cable Accessories (AREA)
  • Sealing Material Composition (AREA)

Abstract

L’invention entend simplement réaliser une pièce d’usinage permettant de bloquer l’eau sur un fil de terre que l’on peut appliquer à un faisceau de câbles pour véhicule. On laisse tomber goutte à goutte sur le conducteur exposé un premier agent d’étanchéité à vulcanisation aux UV (6) formant un angle aigu de contact avec le conducteur exposé (1a) d’un fil de terre (1) et d’une viscosité comprise entre 15 et 500 mPa·s. Puis on laisse tomber goutte à goutte un second agent d’étanchéité (7) sur le premier agent d’étanchéité (6). Le premier agent d’étanchéité (6) et le second agent d’étanchéité (7) sont exposés à des rayons UV. En conséquence, le premier agent d’étanchéité (6) pénètre dans le noyau (1b) du fil de terre (1) de manière naturelle et durcit même si la pression dans le fil de terre (1) n’est pas réduite par aspiration. Même si deux fils de terre (1) sont sertis à une borne de connexion à la terre (2), une quantité appropriée du premier agent d’étanchéité (6) pénètre dans chaque fil de terre (1) facilement. Un premier agent d’étanchéité à photovulcanisation ou réaction chimique (6) peut remplacer le premier agent d’étanchéité à vulcanisation aux UV (6). Un adhésif remplissant une fonction de durcissement de composite (adhésif ayant deux fonctions durcissantes ou plus), par exemple un adhésif instantané à photovulcanisation peut également être utilisé.
PCT/JP2006/314985 2005-07-29 2006-07-28 Procédé de blocage d’eau sur un fil de terre et fil de terre WO2007013589A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/997,206 US20080283268A1 (en) 2005-07-29 2006-07-28 Method for Stopping Water of Earth Wire and Earth Wire
JP2007526908A JPWO2007013589A1 (ja) 2005-07-29 2006-07-28 アース用電線の止水方法およびアース用電線

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005221568 2005-07-29
JP2005-221568 2005-07-29

Publications (1)

Publication Number Publication Date
WO2007013589A1 true WO2007013589A1 (fr) 2007-02-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/314985 WO2007013589A1 (fr) 2005-07-29 2006-07-28 Procédé de blocage d’eau sur un fil de terre et fil de terre

Country Status (4)

Country Link
US (1) US20080283268A1 (fr)
JP (1) JPWO2007013589A1 (fr)
CN (1) CN101248558A (fr)
WO (1) WO2007013589A1 (fr)

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JP2009070685A (ja) * 2007-09-13 2009-04-02 Yazaki Corp 線間止水方法
JP2009130981A (ja) * 2007-11-20 2009-06-11 Sumitomo Wiring Syst Ltd スプライス部の防水方法および防水スプライス部を備えたワイヤハーネス
FR2929048A1 (fr) * 2008-03-21 2009-09-25 Leoni Wiring Systems France Sa Ensemble de raccordement electrique et procede de fabrication de l'ensemble
JP2009245807A (ja) * 2008-03-31 2009-10-22 Furukawa Electric Co Ltd:The 圧着端子及び圧着端子付き電線
FR2932021A1 (fr) * 2008-06-03 2009-12-04 Leoni Wiring Systems France Installation et procede de fabrication d'un article comprenant un cable electrique
JP2010103102A (ja) * 2008-10-02 2010-05-06 Delphi Technologies Inc シールされたケーブルと端子クリンプ
WO2011065310A1 (fr) * 2009-11-25 2011-06-03 株式会社オートネットワーク技術研究所 Procédé de production de faisceau électrique, et faisceau électrique
WO2011065311A1 (fr) * 2009-11-25 2011-06-03 株式会社オートネットワーク技術研究所 Procédé de production de faisceau électrique, et faisceau électrique
JP2011124032A (ja) * 2009-12-09 2011-06-23 Yazaki Corp 塗布剤の硬化方法
WO2012053069A1 (fr) * 2010-10-20 2012-04-26 株式会社フジクラ Dispositif pour rendre étanche une terminaison de câble et son procédé d'étanchéification
JP2013188022A (ja) * 2012-03-08 2013-09-19 Yazaki Corp 電線端末部封止処理方法
JP2015105407A (ja) * 2013-11-29 2015-06-08 株式会社オートネットワーク技術研究所 端子付き被覆電線及びワイヤーハーネス
JP2015106516A (ja) * 2013-12-02 2015-06-08 株式会社オートネットワーク技術研究所 端子付き被覆電線およびワイヤーハーネス
JP2016181367A (ja) * 2015-03-24 2016-10-13 古河電気工業株式会社 接続構造体、ワイヤハーネス、及び接続構造体の製造方法
WO2016194567A1 (fr) * 2015-05-29 2016-12-08 株式会社オートネットワーク技術研究所 Fil électrique équipé d'une borne et son procédé de production
JP2017212089A (ja) * 2016-05-25 2017-11-30 古河電気工業株式会社 端子付き電線
JP2017228419A (ja) * 2016-06-22 2017-12-28 古河電気工業株式会社 端子付き電線の製造方法および製造装置
WO2020157867A1 (fr) * 2019-01-30 2020-08-06 株式会社オートネットワーク技術研究所 Câble électrique isolé et faisceau de câbles
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JP6766659B2 (ja) * 2017-01-24 2020-10-14 株式会社オートネットワーク技術研究所 端子付き電線及び端子付き電線の製造方法
JP6585661B2 (ja) * 2017-06-26 2019-10-02 矢崎総業株式会社 端子付き電線の製造方法
DE102017122591A1 (de) * 2017-09-28 2019-03-28 Te Connectivity Germany Gmbh Elektrische Verbindungseinrichtung und Dichtanordnung für einen elektrischen Verbinder sowie Verfahren zu deren Herstellung
US10017659B1 (en) * 2017-10-09 2018-07-10 Delphi Technologies, Inc Robust sealed electric terminal assembly
DE102018121239A1 (de) * 2018-08-30 2020-03-05 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Mehradriges kabel
JP6957551B2 (ja) * 2019-04-16 2021-11-02 矢崎総業株式会社 端子付き電線製造装置
CN110341024B (zh) * 2019-07-18 2021-04-30 中南林业科技大学 一种耐久型无机刨花板及其制备方法和应用
JP7091009B2 (ja) * 2020-05-19 2022-06-27 矢崎総業株式会社 端子付き電線の製造方法及び端子付き電線の製造装置
EP4131291A4 (fr) * 2020-05-27 2023-09-20 Furukawa Electric Co., Ltd. Fil électrique à borne, faisceau de câbles, borne, sertisseuse de borne et procédé de production d'un fil électrique à borne
DE102021105878A1 (de) 2021-03-11 2022-09-15 Sontec Sensorbau Gmbh Dichtungsmanschette sowie Stecker-Kabel-Verbindung
JP7436442B2 (ja) * 2021-10-19 2024-02-21 矢崎総業株式会社 端子付き電線の製造方法

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